Agglutinate multi-granule nutural diamonds lined regularly in the alloy basal body and fix them onto the cutter body. It fits the fine dressing of the abrasion wheel, and it is a new, cheap and practical abrasion wheel dressing tool. The shape contains rotundity and square and so on. When used it need not ket grinding and overhauling, which raises the using rate of the diamond. because of its multi-point pattern, multi-granule diamonds take part in dressing at the same time, which ensured the precision of the dressing. It is the first product for full face abrasion wheel. It is excellent when used on grinder for dressing the abrasion wheel of special shape.